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<a href="_c_a_r_tree_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">//===========================================================================</span><span class="comment"></span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">/*!</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * </span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * \brief       Cart Classifier</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * </span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * </span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * \author      K. N. Hansen, J. Kremer</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * \date        2012</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * \par Copyright 1995-2017 Shark Development Team</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * </span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * &lt;BR&gt;&lt;HR&gt;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * This file is part of Shark.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * &lt;https://shark-ml.github.io/Shark/&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * </span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * Shark is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as published </span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * by the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * </span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * Shark is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> * GNU Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"> * </span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * along with Shark.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> *</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> */</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">//===========================================================================</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#ifndef SHARK_MODELS_TREES_CARTree_H</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#define SHARK_MODELS_TREES_CARTree_H</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &lt;<a class="code" href="_abstract_model_8h.html">shark/Models/AbstractModel.h</a>&gt;</span>                             </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#include &lt;<a class="code" href="_dataset_8h.html">shark/Data/Dataset.h</a>&gt;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceshark.html" title="AbstractMultiObjectiveOptimizer.">shark</a> {</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"></span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment">///</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment">/// \brief Classification and Regression Tree.</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment">///</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment">/// \par</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment">/// The CARTree predicts a class label using a decision tree</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment">/// \ingroup models</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">class</span> LabelType&gt;</div>
<div class="foldopen" id="foldopen00051" data-start="{" data-end="};">
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html">   51</a></span><span class="keyword">class </span><a class="code hl_class" href="classshark_1_1_c_a_r_tree.html" title="Classification and Regression Tree.">CARTree</a> : <span class="keyword">public</span> <a class="code hl_class" href="classshark_1_1_abstract_model.html" title="Base class for all Models.">AbstractModel</a>&lt;RealVector,LabelType&gt;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>{</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>    <span class="keyword">typedef</span> <a class="code hl_class" href="classshark_1_1_abstract_model.html" title="Base class for all Models.">AbstractModel&lt;RealVector, LabelType&gt;</a> <a class="code hl_class" href="classshark_1_1_abstract_model.html">base_type</a>;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#aaf167bca3b83a14d3fbc520496b3a30d">   56</a></span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_model.html#a518304e95092673b7b6438cace052ef6" title="defines the batch type of the input type.">base_type::BatchInputType</a> <a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aaf167bca3b83a14d3fbc520496b3a30d">BatchInputType</a>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#aa2ae0547dd93ae91396f155ac603d698">   57</a></span>    <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classshark_1_1_abstract_model.html#aa0c72e230b9a1324c95ba8ac0b07ba13" title="defines the batch type of the output type">base_type::BatchOutputType</a> <a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aa2ae0547dd93ae91396f155ac603d698">BatchOutputType</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>    </div>
<div class="foldopen" id="foldopen00059" data-start="{" data-end="};">
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="structshark_1_1_c_a_r_tree_1_1_node.html">   59</a></span>    <span class="keyword">struct </span><a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a>{</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"><a class="line" href="structshark_1_1_c_a_r_tree_1_1_node.html#a34ad7528c92f121a423e5d1eee67e2c9">   60</a></span>        std::size_t <a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a34ad7528c92f121a423e5d1eee67e2c9">attributeIndex</a>;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="structshark_1_1_c_a_r_tree_1_1_node.html#a66da98a2835cb62d1733dd1bced14420">   61</a></span>        <span class="keywordtype">double</span> <a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a66da98a2835cb62d1733dd1bced14420">attributeValue</a>;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">   62</a></span>        std::size_t <a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">leftId</a>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="structshark_1_1_c_a_r_tree_1_1_node.html#a76b5e6f60f3f6a8d5938c5ac4ccb1a4b">   63</a></span>        std::size_t <a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a76b5e6f60f3f6a8d5938c5ac4ccb1a4b">rightIdOrIndex</a>;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>        <span class="keyword">template</span>&lt;<span class="keyword">class</span> Archive&gt;</div>
<div class="foldopen" id="foldopen00066" data-start="{" data-end="}">
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="structshark_1_1_c_a_r_tree_1_1_node.html#a7f0359db7d16743640dbd9478f8fc5f7">   66</a></span>        <span class="keywordtype">void</span> <a class="code hl_function" href="structshark_1_1_c_a_r_tree_1_1_node.html#a7f0359db7d16743640dbd9478f8fc5f7">serialize</a>(Archive &amp; ar, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> version){</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>            ar &amp; <a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a34ad7528c92f121a423e5d1eee67e2c9">attributeIndex</a>;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>            ar &amp; <a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a66da98a2835cb62d1733dd1bced14420">attributeValue</a>;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>            ar &amp; <a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">leftId</a>;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>            ar &amp; <a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a76b5e6f60f3f6a8d5938c5ac4ccb1a4b">rightIdOrIndex</a>;<span class="comment">///&lt; either id of right node or index to label array</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>        }</div>
</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>    };</div>
</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#aab9958485b60a70fd08e501555bf82ce">   73</a></span>    <span class="keyword">typedef</span> std::vector&lt;Node&gt; <a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aab9958485b60a70fd08e501555bf82ce">TreeType</a>;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment"></span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">    /// Constructor</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a81e32e481410512f89d6ce6f6cd7dc35">   77</a></span><span class="comment"></span>    <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a81e32e481410512f89d6ce6f6cd7dc35" title="Constructor.">CARTree</a>(): m_inputDimension(0){}</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>    </div>
<div class="foldopen" id="foldopen00079" data-start="{" data-end="}">
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a6ef5eac13f15ef4aa02f2a8874d7a787">   79</a></span>    <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a6ef5eac13f15ef4aa02f2a8874d7a787">CARTree</a>(std::size_t <a class="code hl_function" href="group__shark__globals.html#gae537f0e90beb970397cd7bb9250984e2" title="Return the input dimensionality of a labeled dataset.">inputDimension</a>, <a class="code hl_class" href="classshark_1_1_shape.html" title="Represents the Shape of an input or output.">Shape</a> <span class="keyword">const</span>&amp; <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#ad304c0e7b8eafe8b7a479c55893acf2c" title="Returns the shape of the output.">outputShape</a>)</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    : m_inputDimension(<a class="code hl_function" href="group__shark__globals.html#gae537f0e90beb970397cd7bb9250984e2" title="Return the input dimensionality of a labeled dataset.">inputDimension</a>)</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    , m_outputShape(<a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#ad304c0e7b8eafe8b7a479c55893acf2c" title="Returns the shape of the output.">outputShape</a>){}</div>
</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment"></span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">    /// \brief From INameable: return the class name.</span></div>
<div class="foldopen" id="foldopen00085" data-start="{" data-end="}">
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#abe168c9946dc394dc6216b803890b242">   85</a></span><span class="comment"></span>    std::string <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#abe168c9946dc394dc6216b803890b242" title="From INameable: return the class name.">name</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="keyword">    </span>{ <span class="keywordflow">return</span> <span class="stringliteral">&quot;CARTree&quot;</span>; }</div>
</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span> </div>
<div class="foldopen" id="foldopen00088" data-start="{" data-end="}">
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#ab61230bfb1fa0dabe95576205b9dfdfc">   88</a></span>    boost::shared_ptr&lt;State&gt; <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#ab61230bfb1fa0dabe95576205b9dfdfc" title="Creates an internal state of the model.">createState</a>()<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>        <span class="keywordflow">return</span> boost::shared_ptr&lt;State&gt;(<span class="keyword">new</span> <a class="code hl_struct" href="structshark_1_1_empty_state.html" title="Default State of an Object which does not need a State.">EmptyState</a>());</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>    }</div>
</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="keyword">using </span><a class="code hl_function" href="classshark_1_1_abstract_model.html#ac7edef74da55322b6aef0ba65b08592d" title="Standard interface for evaluating the response of the model to a batch of patterns.">base_type::eval</a>;<span class="comment"></span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">    /// \brief Evaluate the Tree on a batch of patterns</span></div>
<div class="foldopen" id="foldopen00094" data-start="{" data-end="}">
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a4aa23de99b00a1ceeb1d4445f8344ad6">   94</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a4aa23de99b00a1ceeb1d4445f8344ad6" title="Evaluate the Tree on a batch of patterns.">eval</a>(<a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aaf167bca3b83a14d3fbc520496b3a30d">BatchInputType</a> <span class="keyword">const</span>&amp; patterns, <a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aa2ae0547dd93ae91396f155ac603d698">BatchOutputType</a> &amp; outputs)<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>        std::size_t numPatterns = patterns.size1();</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>        <span class="comment">//evaluate the first pattern alone and create the batch output from that</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>        LabelType <span class="keyword">const</span>&amp; firstResult = evalPattern(row(patterns,0));</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>        outputs = <a class="code hl_struct" href="structshark_1_1_batch.html" title="class which helps using different batch types">Batch&lt;LabelType&gt;::createBatch</a>(firstResult,numPatterns);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>        <a class="code hl_function" href="namespaceshark.html#a1531880b9b4076854b0b26441d353242">getBatchElement</a>(outputs,0) = firstResult;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>        </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>        <span class="comment">//evaluate the rest</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>        <span class="keywordflow">for</span>(std::size_t i = 0; i != numPatterns; ++i){</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>            <a class="code hl_function" href="namespaceshark.html#a1531880b9b4076854b0b26441d353242">getBatchElement</a>(outputs,i) = evalPattern(row(patterns,i));</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>        }</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    }</div>
</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>    </div>
<div class="foldopen" id="foldopen00107" data-start="{" data-end="}">
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a63ecc465d06fff61ce17cdb3b4133131">  107</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a63ecc465d06fff61ce17cdb3b4133131" title="Standard interface for evaluating the response of the model to a batch of patterns.">eval</a>(<a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aaf167bca3b83a14d3fbc520496b3a30d">BatchInputType</a> <span class="keyword">const</span>&amp; patterns, <a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aa2ae0547dd93ae91396f155ac603d698">BatchOutputType</a> &amp; outputs, <a class="code hl_struct" href="structshark_1_1_state.html" title="Represents the State of an Object.">State</a>&amp; state)<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span>        <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a4aa23de99b00a1ceeb1d4445f8344ad6" title="Evaluate the Tree on a batch of patterns.">eval</a>(patterns,outputs);</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    }<span class="comment"></span></div>
</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">    /// \brief Evaluate the Tree on a single pattern</span></div>
<div class="foldopen" id="foldopen00111" data-start="{" data-end="}">
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a94ff10cd7a06d9a14e8a67b8b7ff3b2a">  111</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a94ff10cd7a06d9a14e8a67b8b7ff3b2a" title="Evaluate the Tree on a single pattern.">eval</a>(RealVector <span class="keyword">const</span>&amp; pattern, LabelType&amp; output){</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>        output = evalPattern(pattern);      </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>    }</div>
</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment"></span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">    /// \brief The model does not have any parameters.</span></div>
<div class="foldopen" id="foldopen00116" data-start="{" data-end="}">
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a7cf42c13416bca1cbb8b1a1d259f5dc4">  116</a></span><span class="comment"></span>    std::size_t <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a7cf42c13416bca1cbb8b1a1d259f5dc4" title="The model does not have any parameters.">numberOfParameters</a>()<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    }</div>
</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment"></span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">    /// \brief The model does not have any parameters.</span></div>
<div class="foldopen" id="foldopen00121" data-start="{" data-end="}">
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a6e4f9312692c66350cdeca84237a89b6">  121</a></span><span class="comment"></span>    RealVector <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a6e4f9312692c66350cdeca84237a89b6" title="The model does not have any parameters.">parameterVector</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>        <span class="keywordflow">return</span> RealVector();</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    }</div>
</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment"></span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">    /// \brief The model does not have any parameters.</span></div>
<div class="foldopen" id="foldopen00126" data-start="{" data-end="}">
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a0ab54720cda5c7a9d3f571850f124725">  126</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a0ab54720cda5c7a9d3f571850f124725" title="The model does not have any parameters.">setParameterVector</a>(RealVector <span class="keyword">const</span>&amp; param) {</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>        <a class="code hl_define" href="_exception_8h.html#a73abb5049a0168d72a48e72dda41708b">SHARK_ASSERT</a>(param.size() == 0);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    }</div>
</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment"></span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">    /// from ISerializable, reads a model from an archive</span></div>
<div class="foldopen" id="foldopen00131" data-start="{" data-end="}">
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#aa9417860a291a1f8703c89cb0268c29c">  131</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#aa9417860a291a1f8703c89cb0268c29c" title="from ISerializable, reads a model from an archive">read</a>(<a class="code hl_typedef" href="namespaceshark.html#ada68729491840669e47c8ad42282424f" title="Type of an archive to read from.">InArchive</a>&amp; archive){</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>        archive &gt;&gt; m_tree;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>        archive &gt;&gt; m_labels;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>        archive &gt;&gt; m_inputDimension;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>        archive &gt;&gt; m_outputShape;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    }</div>
</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment"></span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">    /// from ISerializable, writes a model to an archive</span></div>
<div class="foldopen" id="foldopen00139" data-start="{" data-end="}">
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#aee2721f04af7597a7df6a825b4ca7777">  139</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#aee2721f04af7597a7df6a825b4ca7777" title="from ISerializable, writes a model to an archive">write</a>(<a class="code hl_typedef" href="namespaceshark.html#af4f8eb8e9618f5236b71bbcb12b8a524" title="Type of an archive to write to.">OutArchive</a>&amp; archive)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>        archive &lt;&lt; m_tree;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>        archive &lt;&lt; m_labels;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>        archive &lt;&lt; m_inputDimension;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>        archive &lt;&lt; m_outputShape;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>    }</div>
</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>    <span class="comment">//Count how often attributes are used</span></div>
<div class="foldopen" id="foldopen00147" data-start="{" data-end="}">
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#ac18ee6d585b246bbd221c08639a0cef0">  147</a></span>    UIntVector <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#ac18ee6d585b246bbd221c08639a0cef0">countAttributes</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>        <a class="code hl_define" href="_exception_8h.html#a73abb5049a0168d72a48e72dda41708b">SHARK_ASSERT</a>(m_inputDimension &gt; 0);</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>        UIntVector r(m_inputDimension, 0);</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>        <span class="keywordflow">for</span>(<span class="keyword">auto</span> it = m_tree.begin(); it != m_tree.end(); ++it) {</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>            <span class="keywordflow">if</span>(it-&gt;leftId != 0) { <span class="comment">// not a label </span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>                r(it-&gt;attributeIndex)++;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>            }</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>        }</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>        <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>    }</div>
</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment"></span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">    ///Return input dimension</span></div>
<div class="foldopen" id="foldopen00159" data-start="{" data-end="}">
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a3415c364f7cb7d30a4afef271f1f5b42">  159</a></span><span class="comment"></span>    <a class="code hl_class" href="classshark_1_1_shape.html" title="Represents the Shape of an input or output.">Shape</a> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a3415c364f7cb7d30a4afef271f1f5b42" title="Return input dimension.">inputShape</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>        <span class="keywordflow">return</span> m_inputDimension;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>    }</div>
</div>
<div class="foldopen" id="foldopen00162" data-start="{" data-end="}">
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#ad304c0e7b8eafe8b7a479c55893acf2c">  162</a></span>    <a class="code hl_class" href="classshark_1_1_shape.html" title="Represents the Shape of an input or output.">Shape</a> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#ad304c0e7b8eafe8b7a479c55893acf2c" title="Returns the shape of the output.">outputShape</a>()<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>        <span class="keywordflow">return</span> m_outputShape;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>    }</div>
</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>    <span class="comment"></span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">    ////////////////////////////////</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">    /////Tree Construction routines</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">    ///////////////////////////////</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment"></span>    </div>
<div class="foldopen" id="foldopen00170" data-start="{" data-end="}">
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#aa12bccd442cf16fb99410fc161ac1c52">  170</a></span>    std::size_t <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#aa12bccd442cf16fb99410fc161ac1c52">numberOfNodes</a>()<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>        <span class="keywordflow">return</span> m_tree.size();</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>    }</div>
</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>    <span class="comment"></span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="comment">    /// \brief Returns the node with id nodeId</span></div>
<div class="foldopen" id="foldopen00175" data-start="{" data-end="}">
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a05fce970ee23389c182a466aa287d207">  175</a></span><span class="comment"></span>    <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a>&amp; <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a05fce970ee23389c182a466aa287d207" title="Returns the node with id nodeId.">getNode</a>(std::size_t nodeId){</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        <a class="code hl_define" href="_exception_8h.html#a42a6a50e4d06c00d60fbca5333f40768">SIZE_CHECK</a>(nodeId &lt; m_tree.size());</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>        <span class="keywordflow">return</span> m_tree[nodeId];</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>    }<span class="comment"></span></div>
</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="comment">    /// \brief Returns the node with id nodeId</span></div>
<div class="foldopen" id="foldopen00180" data-start="{" data-end="}">
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a57ae315f283118d76b57ee3526683439">  180</a></span><span class="comment"></span>    <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a> <span class="keyword">const</span>&amp; <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a57ae315f283118d76b57ee3526683439" title="Returns the node with id nodeId.">getNode</a>(std::size_t nodeId)<span class="keyword">const</span>{</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>        <a class="code hl_define" href="_exception_8h.html#a42a6a50e4d06c00d60fbca5333f40768">SIZE_CHECK</a>(nodeId &lt; m_tree.size());</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>        <span class="keywordflow">return</span> m_tree[nodeId];</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>    }</div>
</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    </div>
<div class="foldopen" id="foldopen00185" data-start="{" data-end="}">
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#acbe95f0748a72c0e0ea58b682aaf79ce">  185</a></span>    LabelType <span class="keyword">const</span>&amp; <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#acbe95f0748a72c0e0ea58b682aaf79ce">getLabel</a>(std::size_t nodeId)<span class="keyword">const</span>{</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>        <a class="code hl_define" href="_exception_8h.html#a42a6a50e4d06c00d60fbca5333f40768">SIZE_CHECK</a>(nodeId &lt; m_tree.size());</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>        <span class="keywordflow">return</span> m_labels[m_tree[nodeId].rightIdOrIndex];</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>    }</div>
</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>    <span class="comment"></span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">    /// \brief Creates and returns an untyped root node (neither internal, nor leaf node)</span></div>
<div class="foldopen" id="foldopen00191" data-start="{" data-end="}">
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#ad91c08d09c8d94522cb44b7807a73ade">  191</a></span><span class="comment"></span>    <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a>&amp; <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#ad91c08d09c8d94522cb44b7807a73ade" title="Creates and returns an untyped root node (neither internal, nor leaf node)">createRoot</a>(){</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>        m_tree.clear();</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>        <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a> root;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>        root.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">leftId</a> = 0;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>        root.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a76b5e6f60f3f6a8d5938c5ac4ccb1a4b">rightIdOrIndex</a> = 0;</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>        m_tree.push_back(root);</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>        <span class="keywordflow">return</span> m_tree[0];</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>    }</div>
</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>    </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    <span class="comment"></span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">    ///\brief Transforms an untyped node (no child, no internal node) into an internal node</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="comment">    ///</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment">    /// This creates already the two childs of the node, which are untyped.</span></div>
<div class="foldopen" id="foldopen00204" data-start="{" data-end="}">
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a3cb77d15a5e99bfb46b1d5a619e5f533">  204</a></span><span class="comment"></span>    <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a>&amp; <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a3cb77d15a5e99bfb46b1d5a619e5f533" title="Transforms an untyped node (no child, no internal node) into an internal node.">transformInternalNode</a>(std::size_t nodeId, std::size_t attributeIndex, <span class="keywordtype">double</span> attributeValue) {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>        <span class="comment">// ids for new child nodes</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>        <span class="keywordtype">int</span> nodeIdLeft = m_tree.size();</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>        <span class="keywordtype">int</span> nodeIdRight = m_tree.size() + 1;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>        </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>        <span class="comment">//create new child nodes</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>        <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a> leftChild;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>        leftChild.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">leftId</a> = 0;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>        leftChild.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a76b5e6f60f3f6a8d5938c5ac4ccb1a4b">rightIdOrIndex</a> = 0;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>        </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>        <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a> rightChild;</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>        rightChild.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">leftId</a> = 0;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>        rightChild.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a76b5e6f60f3f6a8d5938c5ac4ccb1a4b">rightIdOrIndex</a> = 0;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>        </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>        m_tree.push_back(leftChild);</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>        m_tree.push_back(rightChild);</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>        </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>        <span class="comment">// connect the parent node with its two childs</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>        m_tree[nodeId].leftId = nodeIdLeft;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>        m_tree[nodeId].rightIdOrIndex = nodeIdRight;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>        m_tree[nodeId].attributeIndex = attributeIndex;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>        m_tree[nodeId].attributeValue = attributeValue;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>        </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>        <span class="keywordflow">return</span> m_tree[nodeId];</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    }<span class="comment"></span></div>
</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment">    ///\brief Transforms a node (no leaf) into a leaf node and inserts the appropriate label</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="comment">    ///</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="comment">    /// If the node was an internal node before, its connections get removed and the childs</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="comment">    /// are not reachable any more. Calling a reorder routine like reorderBFS() will get rid of those</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="comment">    /// nodes.</span></div>
<div class="foldopen" id="foldopen00234" data-start="{" data-end="}">
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a2e1416b62cbf5b9704fb0d3ff8e3fa4d">  234</a></span><span class="comment"></span>    <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a>&amp; <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a2e1416b62cbf5b9704fb0d3ff8e3fa4d" title="Transforms a node (no leaf) into a leaf node and inserts the appropriate label.">transformLeafNode</a>(std::size_t nodeId, LabelType <span class="keyword">const</span>&amp; label){</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>        <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a>&amp; node = m_tree[nodeId];</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>        node.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a34ad7528c92f121a423e5d1eee67e2c9">attributeIndex</a> = 0;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>        node. attributeValue = 0.0;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>        node.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">leftId</a> = 0;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>        node.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a76b5e6f60f3f6a8d5938c5ac4ccb1a4b">rightIdOrIndex</a> = m_labels.size();</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>        m_labels.push_back(label);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>        <span class="keywordflow">return</span> node;</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>    }</div>
</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>    <span class="comment"></span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment">    /// \brief Reorders a tree into a breath-first-ordering</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment">    ///</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment">    /// This function call will remove all unreachable subtrees while reordering</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment">    /// the nodes by their depth in the tree, i.e. first comes the root, the the children</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment">    /// of the root, than their children, etc.</span></div>
<div class="foldopen" id="foldopen00249" data-start="{" data-end="}">
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#ae38eaeb8b77503cb46cdefdce5d363ca">  249</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#ae38eaeb8b77503cb46cdefdce5d363ca" title="Reorders a tree into a breath-first-ordering.">reorderBFS</a>(){</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>        <a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aab9958485b60a70fd08e501555bf82ce">TreeType</a> reordered_tree;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>        reordered_tree.reserve(m_tree.size());</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>        </div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>        std::deque&lt;std::size_t &gt; bfs_queue;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>        bfs_queue.push_back(0);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>        </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>        std::size_t nodeId = 0; <span class="comment">//running id of the next node to insert</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>        <span class="keywordflow">while</span>(!bfs_queue.empty()){</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>            <a class="code hl_struct" href="structshark_1_1_c_a_r_tree_1_1_node.html">Node</a> <span class="keyword">const</span>&amp; node = <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a05fce970ee23389c182a466aa287d207" title="Returns the node with id nodeId.">getNode</a>(bfs_queue.front());</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>            bfs_queue.pop_front();</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>            </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>            <span class="comment">//check leaf</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>            <span class="keywordflow">if</span>(!node.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">leftId</a> == 0){</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>                reordered_tree.push_back(node);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>            }<span class="keywordflow">else</span>{</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>                reordered_tree.push_back(node);</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>                reordered_tree.back().leftId = nodeId+1;</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>                reordered_tree.back().rightIdOrIndex = nodeId+2;</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>                nodeId += 2;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>                bfs_queue.push_back(node.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a9bbe86af026b6427b81f73d56630d20e">leftId</a>);</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>                bfs_queue.push_back(node.<a class="code hl_variable" href="structshark_1_1_c_a_r_tree_1_1_node.html#a76b5e6f60f3f6a8d5938c5ac4ccb1a4b">rightIdOrIndex</a>);</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>            }</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>        }</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>        <span class="comment">//overwrite old tree with pruned tree</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>        m_tree = std::move(reordered_tree);</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>    }</div>
</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="comment"></span> </div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="comment">    /// Find the leaf of the tree for a sample</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment"></span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> Vector&gt;</div>
<div class="foldopen" id="foldopen00279" data-start="{" data-end="}">
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"><a class="line" href="classshark_1_1_c_a_r_tree.html#a28c7b70a46acdcec82b2d3c234b345ed">  279</a></span>    std::size_t <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a28c7b70a46acdcec82b2d3c234b345ed" title="Find the leaf of the tree for a sample.">findLeaf</a>(Vector <span class="keyword">const</span>&amp; pattern)<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>        std::size_t nodeId = 0;</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>        <span class="keywordflow">while</span>(m_tree[nodeId].leftId != 0){</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>            <span class="keywordflow">if</span>(pattern[m_tree[nodeId].attributeIndex] &lt;= m_tree[nodeId].attributeValue){</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>                <span class="comment">//Branch on left node</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>                nodeId = m_tree[nodeId].leftId;</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>            }<span class="keywordflow">else</span>{</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>                <span class="comment">//Branch on right node</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>                nodeId = m_tree[nodeId].rightIdOrIndex;</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>            }</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>        }</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>        <span class="keywordflow">return</span> nodeId;</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>    }</div>
</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span><span class="keyword">private</span>:<span class="comment"></span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span><span class="comment">    /// tree of the model</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment"></span>    <a class="code hl_typedef" href="classshark_1_1_c_a_r_tree.html#aab9958485b60a70fd08e501555bf82ce">TreeType</a> m_tree;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>    std::vector&lt;LabelType&gt; m_labels;<span class="comment"></span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span><span class="comment">    ///Number of attributes (set by trainer)</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment"></span>    std::size_t m_inputDimension;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>    <a class="code hl_class" href="classshark_1_1_shape.html" title="Represents the Shape of an input or output.">Shape</a> m_outputShape;</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>    <span class="comment"></span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment">    /// Evaluate the CART tree on a single sample</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment"></span>    <span class="keyword">template</span>&lt;<span class="keyword">class</span> Vector&gt;</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>    LabelType <span class="keyword">const</span>&amp; evalPattern(Vector <span class="keyword">const</span>&amp; pattern)<span class="keyword"> const</span>{</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>        <span class="keyword">auto</span> nodeId = <a class="code hl_function" href="classshark_1_1_c_a_r_tree.html#a28c7b70a46acdcec82b2d3c234b345ed" title="Find the leaf of the tree for a sample.">findLeaf</a>(pattern);</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>        <span class="keywordflow">return</span> m_labels[m_tree[nodeId].rightIdOrIndex];</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>    }</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>};</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span> </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>}</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="preprocessor">#endif</span></div>
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